Microsoft is investigating Windows7 false laptop battery issue
Many notebook users from Windows XP / Vista discovered after upgrading to Windows 7, the new system severely shorten the battery life.
Official Microsoft TechNet forums, there are users post, said he put himself in 2007 bought an HP laptop to upgrade from Windows Vista to Windows 7, but the battery life but never became a mere two hours, half an hour, but Microsoft is repeatedly promote the new system can significantly extend the battery life time. Other parts of the web forum had a similar question.
It is reported that Windows 7 is the root of the problem adds a new battery testing tool that can determine whether the battery needs to be replaced and inform the user, but in some cases, even though the battery business as usual, the system will judge whether the error that the battery has been exhausted, and recommended that users immediately replaced, and sometimes even directly shut down the system. Some users reflect the frustration that he did you are prompted to replace the old battery, but the new battery or continue to receive the same warning.
Some people say that this issue as early as Windows 7 Beta testing phase existed, but some say that the official version of RTM where phenomena. Posted by a user, said: “In the RTM version of Windows 7 prior to installing the battery, I have been normal, in my installation of all the Beta and RC versions where can persist for nearly three hours. Now, only had about 20 Windows 7 minutes to put my notebook shut. This situation is in my shift from the RC occur when the RTM. Needless to say, I have a very bad mood like everyone else. ”
Microsoft said in a statement that the problem has been known and noted, and Windows 7 to read the way the system firmware in many different types of notebook manufacturers are present. Microsoft said: “We are working with hardware partners to investigate this issue. Windows 7 with firmware information to determine whether the battery needs to be replaced. We are working with partners to find root of the problem, to obtain the necessary information and guidance and then go in (TechNet) Forum Update. ”
Microsoft also claimed that sometimes the new tool is working correctly, in other words, if it prompts you to replace the battery, it is possible your battery really has to be hung, but the chances of false positives is clearly too high.